US Patent: 1,425,201
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Micrometer Gauge or Caliper
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Patentee:
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Andrew Hetherington (exact or similar names) - West Hoboken, NJ |
Manufacturer: |
Not known to have been produced |
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Patent Dates:
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Applied: |
Jan. 21, 1919 |
Granted: |
Aug. 08, 1922 |
USPTO (New site tip) Google Patents
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Ralph Brendler
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Description: |
This micrometer features a measuring head that can be set into frames of varying sizes. |
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